National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Fair

21°F

-6°C

Humidity 96%
Wind Speed Calm
Barometer 30.32 in (1026.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 9 Jan 2:51 am EST
Extended Forecast for

Yarmouth ME

  • Overnight

    Overnight: Patchy freezing fog. Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: Patchy freezing fog before 10am. Mostly cloudy, with a high near 44. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 44 °F

    Patchy
    Freezing Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Showers, mainly before 10pm. Low around 33. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 42. West wind around 5 mph becoming calm in the morning.

    High: 42 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Rain and snow likely before 1am, then snow. Low around 28. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Rain/Snow

  • Sunday

    Sunday: Snow likely before 8am, then snow likely, possibly mixed with rain. Cloudy, with a high near 36. Chance of precipitation is 70%.

    High: 36 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy freezing fog. Partly cloudy, with a low around 20. Calm wind.
Friday
Patchy freezing fog before 10am. Mostly cloudy, with a high near 44. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Showers, mainly before 10pm. Low around 33. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Increasing clouds, with a high near 42. West wind around 5 mph becoming calm in the morning.
Saturday Night
Rain and snow likely before 1am, then snow. Low around 28. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday
Snow likely before 8am, then snow likely, possibly mixed with rain. Cloudy, with a high near 36. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Cloudy, with a high near 40.
Wednesday Night
Cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth ME
 43.81°N 70.2°W (Elev. 52 ft)
Last Update:
12:33 am EST Jan 9, 2026
Forecast Valid:
3am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation